Lights - Installed Power

Light power in common types of buildings and rooms

The table below can be used as a guide to installed light power in some common types of buildings and rooms.

Type of Building/RoomLight Power
(watts/Sq.Ft.)
Apartments 1.0 - 4.0
Banks 2.0 - 5.0
Bars 1.5 - 2.0
Cafeterias 1.5 - 2.5
Churches 1.0 - 3.0
Clubhouses 1.5 - 2.0
Cocktail Lounges 1.5 - 2.0
Computer Rooms 1.5 - 5.0
Court Houses 2.0 - 5.0
Dental Centers 1.5 - 2.5
Department Stores 1.0 - 3.0
Dining Halls 1.5 - 2.5
Drug Store 1.0 - 3.0
Fire Stations 2.0 - 3.0
Hospitals, General Areas 1.5 - 2.5
Hotels Public Spaces 1.5 - 3.0
Kindergarten 1.0 - 3.0
Kitchens 1.5 - 3.0
Jail 1.0 - 2.5
Libraries 1.0 - 3.0
Luncheonettes 1.5 - 2.5
Lunch Rooms 1.5 - 2.5
Malls 1.0 - 3.0
Medical Centers 1.5 - 2.5
Motels Public Areas 1.5 - 3.0
Motels Guest Rooms 1.0 - 3.0
Municipal Buildings 2.0 - 5.0
Museums 1.0 - 3.0
Nightclubs 1.5 - 2.0
Nursing Home Patient Rooms 2.0 - 3.0
Police Stations 2.0 - 3.0
Post Offices 2.0 - 3.0
Precision Manufacturing 2.0 - 3.0
Residential 1.0 - 4.0
Retail Stores 2.0 - 6.0
Restaurants 1.5 - 3.0
School Classrooms 2.0 - 6.0
Shops 1.0 - 3.0
Supermarkets 1.0 - 3.0
Taverns 1.5 - 2.0
Town Halls 2.0 - 5.0
  • 1 ft2 = 0.0929 m2 = 144 in2 = 0,1111 yd2
  • 1 Watts/ft2 = 10.8 Watts/m2

Related Topics

  • Electrical - Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors
  • Air Conditioning - Air Conditioning systems - heating, cooling and dehumidification of indoor air for thermal comfort
  • Heating - Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more

Related Documents

Tag Search

Search the Engineering ToolBox

- "the most efficient way to navigate!"

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your SketchUp model with the Engineering ToolBox - SketchUp Extension/Plugin - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

Translate the Engineering ToolBox!
About the Engineering ToolBox!

close